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Dodge B1A8A

Multi-Module VIN Handshake Failure

DriveUnknown. Whether the vehicle can be driven with B1A8A-00 is not yet established by verified evidence.
ChargeUnknown. Whether the vehicle can be charged with B1A8A-00 is not yet established by verified evidence.
ServiceService need is listed as unknown in the supplied diagnostic record. Because no verified repair or safety disposition is provided, consult an authorized Dodge service provider for VIN-specific diagnosis.
Confidence95%

Quick answer

B1A8A-00 means “Multi-Module VIN Handshake Failure.” Verified evidence identifies it for 2024–2025 Dodge Charger vehicles in the US. Driveability, charging safety, symptoms, root cause, and required repair are not yet established by verified evidence.

This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.

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1. What does B1A8A mean?

B1A8A-00 means “Multi-Module VIN Handshake Failure.” Verified evidence identifies it for 2024–2025 Dodge Charger vehicles in the US. Driveability, charging safety, symptoms, root cause, and required repair are not yet established by verified evidence.

2. Technical explanation

The verified diagnostic meaning of DTC B1A8A-00 is Multi-Module VIN Handshake Failure. Official manufacturer communications filed with NHTSA list this code among diagnostic trouble codes. The supplied evidence does not describe the failure conditions, affected modules, diagnostic procedure, or repair procedure.

3. What system is affected?

Not yet established by verified evidence. The code title refers to a VIN handshake involving multiple modules, but the specific modules and vehicle system are not identified in the supplied evidence.

4. How serious is this code?

Unknown. Severity is not yet established by verified evidence.

5. Symptoms you may notice

  • Not yet established by verified evidence.

6. Possible causes

  • Not yet established by verified evidence.

7. Can I still drive the vehicle?

Unknown. Whether the vehicle can be driven with B1A8A-00 is not yet established by verified evidence.

8. Can I charge the vehicle?

Unknown. Whether the vehicle can be charged with B1A8A-00 is not yet established by verified evidence.

9. What you can safely do

  • Record the exact DTC, including the “-00” suffix, if shown by the scan tool.
  • Arrange diagnosis by an authorized Dodge service provider or another qualified technician. Specific owner-performed diagnostic or repair actions are not established by verified evidence.

10. Step-by-step troubleshooting

  1. Have the vehicle scanned and retain all reported DTCs. Official NHTSA-filed manufacturer communications list B1A8A-00 together with other DTCs, but the supplied evidence does not establish that those codes will occur in every case or that they share one cause.
  2. Use the applicable Dodge service information for the vehicle’s VIN. The supplied evidence does not provide a verified test sequence for B1A8A-00.

11. When to contact service

Service need is listed as unknown in the supplied diagnostic record. Because no verified repair or safety disposition is provided, consult an authorized Dodge service provider for VIN-specific diagnosis.

12. What the service center may check

  • Confirm the presence and status of B1A8A-00 using appropriate diagnostic equipment.
  • Review all stored diagnostic trouble codes. No further specific checks are established by the supplied verified evidence.

13. Possible repair or resolution

  • Not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • NHTSA Manufacturer Communication 11026763, bulletin 08-025-25 REV. D, published December 18, 2025, lists B1A8A-00 as “Multi-Module VIN Handshake Failure.” The supplied excerpt does not establish the bulletin’s repair instructions or exact applicability.
  • NHTSA Manufacturer Communication 11029995, bulletin 08-089-26, published March 7, 2026, lists B1A8A-00. Repair instructions and exact applicability are not established by the supplied excerpt.
  • NHTSA Manufacturer Communication 11029997, bulletin 08-090-26, published March 7, 2026, lists B1A8A-00. Repair instructions and exact applicability are not established by the supplied excerpt.
  • NHTSA Manufacturer Communication 11030001, bulletin 08-094-26, published March 7, 2026, lists B1A8A-00. Repair instructions and exact applicability are not established by the supplied excerpt.
  • NHTSA Manufacturer Communication 11030120, bulletin 08-110-26, published March 11, 2026, lists B1A8A-00. Repair instructions and exact applicability are not established by the supplied excerpt.
  • NHTSA Manufacturer Communication 11030130, bulletin 08-110-26 REV. A, published March 14, 2026, lists B1A8A-00. Repair instructions and exact applicability are not established by the supplied excerpt.

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Verified applicability: Dodge Charger, model years 2024 and 2025, US region. The diagnostic record was last verified September 22, 2026. Official NHTSA-filed manufacturer communications listed in this record identify B1A8A-00, but their supplied excerpts do not establish a remedy, recall, symptoms, or operating guidance.

19. Frequently asked questions

What does Dodge code B1A8A-00 mean?

It means “Multi-Module VIN Handshake Failure.”

Which vehicles are verified as applicable?

The supplied verified applicability data identifies US-market 2024 and 2025 Dodge Charger vehicles.

Can I drive or charge with B1A8A-00?

Not yet established by verified evidence.

Is there a verified repair for B1A8A-00?

Not yet established by verified evidence. The supplied official communication excerpts list the code but do not provide repair instructions.

20. Sources & verification

Verified
Dodge B1A8A: Multi-Module VIN Handshake Failure | EV Diagnostics